.App {
  text-align: center;
  height: 100%;
  background: url('./image/bj.jpeg') no-repeat;
  background-size: 100% 100%;
  color: #fff;
}

.AppTop {
  height: 5%;
}

.AppButtom {
  height: 95%;
}

.AppButtomLeft {
  height: 100%;
  float: left;
  width: 50%;

}

.AppButtomRight {
  height: 100%;
  float: left;
  width: 49%;
}

.AppButtomLeftTop {
  height: 70%;
  border: 1px blue solid;
}

.AppButtomLeftBottom {
  height: 30%;
  border: 1px blue solid;
}

.AppButtomRightTop {
  height: 33%;
  border: 1px blue solid;
}

.AppButtomRightCentral {
  height: 33%;
  border: 1px blue solid;
}

.AppButtomRightBottom {
  height: 33%;
  border: 1px blue solid;
}